• Especially in airborne particulates more than 1000 inorganic and organic compounds have been detected, among them also carcinogens and mutagens, such as polycyclic aromatic hydrocarbons, polycyclic-aza-compounds, carbonic acids, phenols, ketons, heavy metals, etc. (curehunter.com)
  • Kinetics and mechanisms of the gas-phase reactions of the hydroxyl radical with organic compounds under atmospheric conditions. (cdc.gov)
  • Capillary chromatographic analysis of volatile organic compounds in the indoor environment. (cdc.gov)
  • A class of organic compounds containing a ring structure made up of more than one kind of atom, usually carbon plus another atom. (lookformedical.com)
  • It can be produced by the addition of an amino group to an organic compound or reduction of a nitro group. (lookformedical.com)
  • Finally, and perhaps most interestingly, studies aimed at enantioselective catalysis are presented, resulting in the first example of enantioselective Lewis-acid catalysis of an organic transformation in water. (chempedia.info)
  • Hirayama, K. (1967) Handbook of Ultraviolet and Visible Absorption Spectra of Organic Compounds. (photochemcad.com)
  • DMS, UV Atlas of Organic Compounds. (photochemcad.com)
  • CRC Atlas of Spectral Data and Physical Constants for Organic Compounds. (photochemcad.com)
  • Some transition metal catalysts that are soluble in ionic liquids may be recycled together with the ionic liquid, after extraction with water and the non-polar organic solvent used for product separation. (organic-chemistry.org)
  • In particular, PAHs are compounds containing only carbon and hydrogen atoms (i.e. unsubstituted PAHs and their alkyl-substituted derivatives), while the more general name of "polycyclic aromatic compounds" also includes functional derivatives (e.g. nitro-PAHs) and heterocyclic analogues (e.g. aza-areas). (umanaloggia.it)
  • Friedel, R. A. and M. Orchin (1951) Ultraviolet Spectra of Aromatic Compounds. (photochemcad.com)
  • The aza-Michael products have been targeted as truncated ritonavir analogues for investigation as potential HIV -1 protease inhibitors, and representative compounds have been subjected to enzyme inhibition assays to explore the extent and type of inhibition. (ru.ac.za)
  • The Baylis-Hillman products have been explored as substrates for aza-Michael reactions using various amino derivatives including protected amino acids in the presence of the tetrabutylammonium bromide (TBAB) and the ionic liquid, 3-butyl-1- methylimidazoleboranetetrafluoride (BmimBF₄), as catalysts. (ru.ac.za)
  • The increased stability of the intermediates (such as compounds of formula (III)) against competing hydrolysis reactions, removes the need to work under anhydrous conditions. (allindianpatents.com)
  • New pathways for the synthesis of various carbohydrates were developed using inexpensive and abundantly available compounds as starting materials, and by the application of chemo-enzymatic reactions. (keio.ac.jp)
  • As for the aza- Diels-Alder reaction , enantioselective reactions between imino dienophiles 60 and diene 61, using a chiral binaphtholzirco-nium catalyst 23, are known (Eq. 26) [27]. (chempedia.info)
  • These compounds find wide use as reducing agents and in hydroboration reactions (57). (chempedia.info)
  • Diversity-oriented synthesis is a synthetic method for producing a large number of compounds with different molecular skeletons from a single starting material. (keio.ac.jp)
  • In particular, "diversity-enhanced extracts," which combine diversity-oriented synthesis with search for natural compounds, can yield a group of new compounds with structural diversity that exceeds that of natural compounds obtained from plants and microorganisms. (keio.ac.jp)
  • To this extent, we developed a novel multicomponent reaction to prepare TN-16, and then we applied the same reaction for the synthesis of aza-analogs. (bvsalud.org)
  • Taken together, our data demonstrate that arylquinuclidine derivatives could be useful as lead compounds for the rational synthesis of new antifungal drugs. (biomedcentral.com)
  • During each formation process, PAHs are always present as a class (never as individual compounds) in complex mixtures containing other substances and chemical classes. (umanaloggia.it)
  • Waste water containing phenol, phenol derivatives or phenol plus formaldehyde is purified by treating the waste water with hydrogen peroxide and either iron, copper or the complex salt sodium iron (III) ethylenediamine tetraacetate. (justia.com)
  • Interactive docking of the chromone-containing ligands into the HIV -1 protease receptor site, using the Ligandfit module, has indicated the importance of hydrogen-bonding interactions mediated by bridging water molecules situated in the receptor cavity. (ru.ac.za)
  • The antifungal drugs most widely used to treated fungal infections are compounds that inhibit cytochrome P450-dependent C14α-demethylase (CYP51), but other enzymes of this pathway, such as squalene synthase (SQS) which catalyses the first committed step in sterol biosynthesis, could be viable targets. (biomedcentral.com)
  • A key aspect of such determination is identifying the capacity of these compounds to inhibit the growth of cancer cells in vitro. (uagm.edu)
  • Odor as an aid to chemical safety: Odor thresholds compared with threshold limit values and volatilities for 214 industrial chemicals in air and water dilution. (cdc.gov)
  • Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. (lookchem.com)
  • These results indicate that the bound water molecules play a crucial role in the tight interaction between GN 3 M and HEWL. (frontiersin.org)
  • The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (lookformedical.com)
  • A heterogeneous class of water-soluble compounds containing covalently bound CARBON that are derived from a variety of biological and geological sources during the biogeochemical cycling of carbon (CARBON CYCLE). (bvsalud.org)
  • Aziridines are saturated three-membered ring compounds, that contain two carbons and one nitrogen atom. (moltuslab.com)
  • Finasteride is a synthetic 4-azasteroid compound 13 and specific inhibitor of steroid Type II 5α-reductase, which is an intracellular enzyme that converts the androgen testosterone into 5α-dihydrotestosterone (DHT). (drugbank.com)
  • Glycosylated compounds in which there is an amino substituent on the glycoside. (lookformedical.com)
  • This halogen is strongly activated by the aza substituent and by the other halogen substituent . (chempedia.info)
  • Moreover, natural compounds as drugs have reduced side effects due to their regular intake as components of vegetable food. (biomedcentral.com)
  • In fact, many medicines have been developed from natural compounds produced by plants, fungi, bacteria, and other microorganisms. (keio.ac.jp)
  • As a new drug discovery resource, we will focus on " unexploited organisms" which are different from conventionally used organisms, such as plants, fungi, and bacteria, for the search of natural compounds. (keio.ac.jp)
  • The team optimized donor-acceptor groups, the number of heavy atoms, and their functional positions in the compounds. (chemistryviews.org)
  • 1963) Tables of Spectrophotometric Absorption Data of Compounds Used for the Colorimetric Determination of Elements. (photochemcad.com)
  • To identify suitable substituents for the aza-BODIPY core structure, they used calculations of the compounds' energy levels. (chemistryviews.org)
  • What is the influence of ligands on the Lewis acid on the rate and selectivity of the Diels-Alder reaction If enantioselectivity can be induced in water, how does it compare to other solvents Chapter 3 deals with these topics. (chempedia.info)
  • The title compound, C22H22O2S2, 1, represents an example of an ortho-vanillin-based functionalized di-thio-ether, which could be useful as a potential chelating ligand or bridging ligand for coordination chemistry. (ubfc.fr)
  • In addition, we aim to use the substances obtained as seed compounds for the development of pharmaceuticals, as well as for the development of substances useful for life science research. (keio.ac.jp)
  • Progesterone C3 and C20 oxime conjugates, like progesterone 3-(O-carboxymethyl)oxime, have been found to be water-soluble prodrugs of progesterone and pregnane neurosteroids. (wikipedia.org)
  • Water: Adamsite (DM) is not soluble in water and cannot be used to contaminate water. (cdc.gov)
  • The discovery of water-insoluble RTILs such as [bmim][PF 6 ] allowed the development of new work-up methods, including the separation of water-soluble byproducts by simple extraction. (organic-chemistry.org)
  • This substance is miscible in water and is very soluble in diethyl ether, slightly less soluble in ethanol and is also slightly soluble in chloroform. (moltuslab.com)
  • According to the lat- compounds have different designations, est report, it kills between 1.5-2.7 million among which azadirachtin A is the major people every year [ 1 ]. (who.int)
  • Thus, natural compounds are the resources for drug discovery. (keio.ac.jp)
  • We conduct research to find natural product that can be used as resources for drug discovery, or to create them using natural compounds as motifs. (keio.ac.jp)
  • On the other hand, as a result of the vigorous search for natural compounds, new natural compounds are being depleted. (keio.ac.jp)
  • Therefore, it is not possible to conduct innovative drug discovery research by simply searching for natural compounds in the conventional way. (keio.ac.jp)
  • The preservatives in test were chromated-copper-arsenate (CCA-C), ammoniacal copper arsenate (ACA), a modified formulation of ACA which contained a higher copper content (modified ACA), ammoniacal copper zinc arsenate (ACZA) and ammoniacal zinc arsenate (AZA). (irg-wp.com)
  • Do not allow humans or pets to drink water from a rain barrel. (lswgold.com)
  • Although only 2% of these compounds are known to be toxic to animals and humans, microalgae blooms are a serious threat for the consumption of sea products, especially bivalve molluscs that filter water and accumulate toxins, as well as fishes that bioaccumulate them through the trophic chain. (microbia-environnement.com)
  • We will conduct research to utilize these compounds as resources for drug discovery. (keio.ac.jp)
  • By separating, purifying, and structurally determining these extracts, we can construct a library of structurally diverse compounds and obtain seed compounds for drug discovery research. (keio.ac.jp)
  • Further studies on purification and characterization of active compounds from Astilbe rivularis and their biological evaluation are highly recommended. (biomedcentral.com)
  • Diets high in meats cooked by high-temperature techniques such as barbecuing and pan-frying, which produce carcinogenic compounds, may lead. (mdanderson.org)
  • Probably the most common form of cultural control is by picking the beetles off of plants by hand and dropping them in a bucket of soapy water to drown. (grobigred.com)
  • This paper reviews the literature relating to the potential of CCA-treated wood to affect the marine environment and outlines the compounds required for a model which could be used to predict the environemental impact of maritime construction using such timber. (irg-wp.com)
  • This paper presents a new simple method to evaluate wood and wood products for their resistance to swelling and to assess wood preservatives for their ability to dimensionally stabilize treated wood exposed to water. (irg-wp.com)
  • In many countries, water management and public health authorities have been taking that seriously and developed ambitious programs to improve detection methods , to provide strict regulations and/or guidelines based on tolerance thresholds securing sea product consumption and access to bathing areas. (microbia-environnement.com)
  • No new data were submitted for this compound, nevertheless, as this compound is still used in some countries, the 2010 JMPS decided to maintain the specification instead of withdrawing it. (who.int)
  • IRG/COIPM INTERNATIONAL MARINE TEST - to determine the effect of timber substrate on the effectiveness of water-borne salt preservatives in sea-water. (irg-wp.com)
  • Transmission electron microscopy of decaying CCA-treated Pinus radiata timbers from an industrial water cooling tower showed presence of a thick biofilm covering some areas of the wood. (irg-wp.com)
  • Utilization of this waste has been carried out in this study by obtaining nanocellulose (NC) fibres for waste water remediation purposes. (researchgate.net)
  • Also, the morphological alterations induced in the yeasts by the experimental compounds were evaluated by fluorescence and transmission electron microscopy. (biomedcentral.com)
  • This makes it possible to avoid the use of hydrogensulfide gas, allowing instead the use of hydrosulfide salts, either as solids with crystal water or as solutions of the desired sulfide salt in water. (allindianpatents.com)
  • During its use as an intermediate and monomer in the production of cationic polymers, exposure to the compound may occur. (moltuslab.com)
  • Finasteride is an antiandrogenic compound that works by suppressing the production of serum and intraprostatic dihydrotestosterone (DHT) in men via inhibiting the enzyme responsible for the biosynthesis of DHT. (drugbank.com)
  • Finasteride is an antiandrogenic compound that is used for the treatment of symptomatic benign prostatic hyperplasia (BPH) and male pattern hair loss in adult males by inhibiting Type II 5-alpha reductase. (drugbank.com)
  • Japanese scientists have reported that the compound 2-aza-8-oxohypoxanthine (AOH) may protect against water loss from the skin and act as a moisturizing agent in topical cosmetic formulations. (cosmeticsdesign.com)
  • In case of skin contact Wash off with soap and plenty of water. (lookchem.com)